Duration of immunity against Newcastle disease in birds vaccinated with BPL inactivated vaccine.
D000818:Animals; D006385:Hemagglutination Inhibition Tests; D009500:Neutralization Tests; D009521:Newcastle Disease / Q000276:immunology*; D011201:Poultry Diseases / Q000276:immunology*; D014765:Viral Vaccines
D014765:Viral Vaccines